User`s guide

U1251A and U1252A Quick Start Guide
Performing Voltage Measurement
Performing Current Measurement
CAUTION
• If the current is ≤440 mA, connect the red and black test leads to input terminals
µA.mA(red) and COM(black).
• If the current is >440 mA, connect the red and black test leads to input terminals
A(blue) and COM(black).
Measuring AC Voltage
Measuring DC Voltage
1 Set the rotary switch to .
For and mode,
press to ensure is
shown on the display.
2 Connect the red and black test
leads to input terminals V.
mV(red) and COM(black)
respectively.
3 Probe the test points and read
the display.
4 Press to display dual
measurements. Parameter can be
switched consecutively.
1 Set the rotary switch to
and . Ensure is shown
on the display.
2 Connect the red and black test
leads to input terminals V.
mV(red) and COM(black)
respectively.
3 Probe the test points and read
the display.
4 Press to display dual
measurements. Parameter can
be switched consecutively.
Measuring AC Current
Measuring DC Current
1 Set the rotary switch to and
. Press to ensure
is shown on the display.
2 Connect the red and black test
leads to input terminals
µA.mA(red) and COM(black)
or A(blue) and COM(black)
respectively.
3 Probe the test points in series
with the circuit, and read the
display.
1 Set the rotary switch to
and . Ensure is
shown on the display.
2 Connect the red and black test
leads to input terminals
µA.mA(red) and COM(black)
or A(blue) and COM(black)
respectively.
3 Probe the test points in series
with the circuit, and read the
display.